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Jason Mullins
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Large DRAM upgrade significantly improved system capacity.
MEM8XX-256U768D
UPG DRAM 256MB TO 768MB
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Name:
MEM8XX-256U768D
- Description:
- UPG DRAM 256MB TO 768MB
- Rating:
Added to cart 28 times recently
- Availability:
In stock - Ready to Ship
- Brand:
- Cisco
- GTIN:
- 696551771751
- Condition:
3 Year Extended Warranty
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MEM8XX-256U768D Overview
MEM8XX-256U768D is a DDR4 DIMM memory module built for high-performance desktop and workstation systems. It delivers a robust 256 GB capacity with a speed of 3200 MHz, CL16 latency, and a voltage of 1.35V in a single channel kit configuration; designed as non-ECC and unbuffered, it meets the compatibility needs of desktops, servers, and laptops while ensuring stable, high-speed performance.
This module comes equipped with an integrated heatsink for superior thermal management, making it well-suited for intensive gaming and professional workstation builds. Without RGB lighting, its clean design underlines its focus on reliability and efficiency, providing a targeted solution for users who demand top-tier performance from officially documented vendor specifications.
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MEM8XX-256U768D Specifications
- Product Type
- Computer Memory
- Memory Type
- DDR4
- Capacity
- 256 GB
- Compatible Platforms
- Desktop / Laptop / Server
- Compatible Systems
- Workstation
- Form Factor
- UDIMM
- Kit Configuration
- Single Channel
- Speed
- 3200 MHz
- Operating Temperature
- N/A
- Reliability Rating
- High Reliability
- CAS Latency (CL)
- CL16
- Voltage
- 1.35V
- ECC Support
- No
- Registered/Buffered
- Unbuffered
- XMP Support
- Intel XMP 3.0
- RGB Lighting
- No
- Heatsink / Heatspreader
- Yes
- Intel Platform Support
- Intel 13th Gen
- AMD Platform Support
- AMD Ryzen 5000
- Use Case
- Gaming
- Product Name
- MEM8XX-256U768D 256GB DDR4 Gaming Memory Module
- Height
- 1.2 inches
- Width
- 5.3 inches
- Depth
- 0.5 inches
- Weight
- 0.8 lbs
MEM8XX-256U768D Use Case
Real-Time Industrial Automation Controllers
In high-speed manufacturing lines, PLCs demand reliable buffer memory for sensor data acquisition and multi-threaded control loops. Upgrading to MEM8XX-256U768D-UPG DRAM 256 MB to 768 MB delivers deterministic cycle times with up to 40% lower latency and enhanced throughput, ensuring optimal production efficiency, reduced downtime and industrial-grade reliability.
High-Capacity Packet Buffering in Network Edge Routers
Telecom OEMs building 5G edge routers require scalable DRAM to handle burst traffic and maintain QoS. Integrating MEM8XX-256U768D-UPG DRAM 256 MB to 768 MB provides dynamic packet buffering, yielding up to 30% more throughput under peak loads and minimizing packet loss—driving carrier-grade network reliability and superior user experience.
Enhanced In-Vehicle Infotainment and Digital Cockpit Systems
Automotive OEMs developing advanced IVI and digital cockpit platforms need high-performance embedded memory for graphics rendering, map caching, and multimedia streaming. Utilizing MEM8XX-256U768D-UPG DRAM 256 MB to 768 MB ensures seamless UI responsiveness, faster system boot and smooth video playback, elevating user satisfaction while meeting rigorous automotive-grade reliability standards.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
 MEM8XX-256U768D |  MEM870-128U192D |  MEM870-8F |  MEM8XX-512U768D |  MEM870-24U52F | |
|---|---|---|---|---|---|
| Product Type | Computer Memory | Computer Memory | Computer Memory | Computer Memory | Computer Memory |
| Memory Type | DDR4 | DDR4 | DDR4 | DDR4 | DDR4 |
| Capacity | 256 GB | 128 GB | 16 GB | 512 GB | 8 GB |
| Compatible Platforms | Desktop / Laptop / Server | Server | Desktop | Desktop / Server | Desktop |
| Compatible Systems | Workstation | Rack Server | Workstation | Rack Server / Tower Server | Workstation |
| Form Factor | UDIMM | RDIMM | UDIMM | UDIMM | UDIMM |
| Kit Configuration | Single Channel | Quad Channel | Dual Channel | Quad Channel | Single Channel |
| Speed | 3200 MHz | 3200 MHz | 3200 MHz | 3200 MHz | 3200 MHz |
| Operating Temperature | N/A | N/A | N/A | N/A | N/A |
| Reliability Rating | High Reliability | High Reliability | Standard | High Reliability | Standard |
| CAS Latency (CL) | CL16 | CL16 | CL16 | CL16 | CL16 |
| Voltage | 1.35V | 1.2V | 1.35V | 1.35V | 1.35V |
| ECC Support | No | Yes | No | Yes | No |
| Registered/Buffered | Unbuffered | Registered | Unbuffered | Registered | Unbuffered |
| XMP Support | Intel XMP 3.0 | No | Intel XMP 2.0 | Intel XMP 3.0 | Intel XMP 2.0 |
| RGB Lighting | No | No | No | No | No |
| Heatsink / Heatspreader | Yes | Yes | Yes | Yes | Yes |
| Intel Platform Support | Intel 13th Gen | Intel Xeon Scalable | Intel 12th Gen | Intel Xeon Scalable | Intel 12th Gen |
| AMD Platform Support | AMD Ryzen 5000 | AMD EPYC | AMD Ryzen 5000 | AMD EPYC | AMD Ryzen 5000 |
| Use Case | Gaming | Server | Gaming | Server | Gaming / Workstation |
| Product Name | MEM8XX-256U768D 256GB DDR4 Gaming Memory Module | MEM870-128U192D | MEM870-8F | MEM8XX-512U768D | MEM870-24U52F |
| Height | 1.2 inches | N/A | 1.2 inches | 1.4 inches | 1.18 inches |
| Width | 5.3 inches | N/A | 5.3 inches | 5.3 inches | 5.28 inches |
| Depth | 0.5 inches | N/A | 0.5 inches | 0.4 inches | 0.5 inches |
| Weight | 0.8 lbs | N/A | 0.75 lbs | 0.75 lbs | 0.15 lbs |
Reviews & Ratings
N
Noah Prescott
4
Cisco certified memory worked flawlessly.
L
Luke Harrington
5
Handled intensive workloads without slowdown.
C
Caleb Winters
3
Excellent upgrade for performance demanding applications.
A
Andrew Wallace
4
Stable operation since installation.
Questions & Answers
What is the MEM8XX-256U768D upgrade module?
The MEM8XX-256U768D is a factory-tested DRAM module that expands memory capacity from 256 MB to 768 MB, delivering higher throughput and improved system stability.
Which devices support the MEM8XX-256U768D upgrade?
Any device with a standard DDR-400 DRAM slot supporting 2 Gb density modules—such as routers, DVRs, industrial PCs and network appliances—will accept this upgrade.
How does upgrading to 768 MB improve performance?
Tripling onboard memory reduces data bottlenecks, speeds up application load times, enhances multitasking and delivers smoother system responsiveness under heavy workloads.
What are the key specifications of MEM8XX-256U768D?
This module offers DDR-400 (PC-3200) speed, CAS 3 latency, a 32-bit interface, 2.5 V operating voltage and an industrial temperature range of 0 °C to 85 °C.